| 释义 |
holothurian /ˌhɒlə(ʊ)ˈθjʊərɪən /noun ZoologyA sea cucumber.In fact, crinoids, holothurians, and ophiuroids rule the floor of the deep oceans at depths below 500 metres....- There was significantly greater population density of holothurians when a coral reef was adjacent to the mangroves than a shoreline with coral reef alone or mangroves alone.
- The water vascular system, found in all echinoderms, accommodates the elongated body of the holothurians.
Origin Mid 19th century: from the modern Latin genus name Holothuria (from Greek holothourion, denoting a kind of zoophyte) + -an. Rhymes Arthurian, Ben-Gurion, centurion, durian, Khachaturian, Ligurian, Missourian, Silurian, tellurian |